VSC Off Indicator Light Remains on

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: VSC OFF Indicator Light Remains ON
- VSC OFF Indicator Light Remains ON

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN communication.

Pressing the VSC OFF switch turns off traction control and pressing and holding this switch turns off traction and VSC controls. If VSC control turns OFF, the VSC OFF indicator light will come on.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* When replacing the brake actuator assembly, perform zero point calibration Programming and Relearning.
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check if CAN communication system DTCs are output Diagnosis System.

Result





B -- CHECK CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED

(a) Check if the skid control ECU connector is securely connected.

OK:

The connector is securely connected.

NG -- CONNECT CONNECTOR TO ECU CORRECTLY
OK -- Continue to next step.

3. INSPECT SKID CONTROL ECU (CSW TERMINAL)

(a) Turn the ignition switch off.

(b) Disconnect the A16 skid control ECU connector.





(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- INSPECT VSC OFF SWITCH
OK -- Continue to next step.

4. PERFORM ACTIVE TEST USING TECHSTREAM (VSC OFF INDICATOR LIGHT)

(a) Reconnect the skid control ECU connector.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.

(f) According to the display on the Techstream, perform the Active Test.

ABS/VSC/TRAC





OK:

The VSC OFF indicator light turns ON or OFF in accordance with the Techstream.

NG -- GO TO METER / GAUGE SYSTEM Removal

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal

5. INSPECT VSC OFF SWITCH

(a) Disconnect the VSC OFF switch connector.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPLACE VSC OFF SWITCH Removal
OK -- Continue to next step.

6. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - VSC OFF SWITCH)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- CHECK FOR INTERMITTENT PROBLEMS How To Proceed With Troubleshooting